Basically, yes. Leaving aside the sometimes bizarre intricacies of 4th Amendment law as they don't appear to be implicated by this case, if the initial detention is without cause then what follows becomes "fruit of the poisonous tree".
Basically, yes. Leaving aside the sometimes bizarre intricacies of 4th Amendment law as they don't appear to be implicated by this case, if the initial detention is without cause then what follows becomes "fruit of the poisonous tree".